Alert archive / Indiana / Flash Flood Warnings in 2015

Flash Flood Warning 34, NWS Indianapolis, IN

July 17, 2015Clinton County, Tippecanoe County, Indiana

NWS Indianapolis, IN issued this flash flood warning at Jul 17, 2015, 5:38 PM EDT for Clinton County, Tippecanoe County, Indiana. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jul 17, 2015, 5:38 PM EDT (21:38 UTC)
Expired: Jul 17, 2015, 9:15 PM EDT
In force: 4 hr
Issued by: NWS Indianapolis, IN
Area: Storm-based polygon
Flood severity: None

Counties Clinton County, IN, Tippecanoe County, IN

The radar

The Indianapolis radar (KIND), 83 km from the middle of the area, began a volume at 21:38 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 9.6 hours before the alert went out and 168 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 2277 J/kg
Mixed-layer CIN: -132 J/kg
Mixed-layer LCL: 1052 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 65 m²/s²
0-3 km storm-relative helicity: 89 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 2.8

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

640 
WGUS53 KIND 172138
FFWIND
INC023-157-172345-
/O.NEW.KIND.FF.W.0034.150717T2138Z-150717T2345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
538 PM EDT FRI JUL 17 2015

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CLINTON COUNTY IN CENTRAL INDIANA...
  TIPPECANOE COUNTY IN WEST CENTRAL INDIANA...

* UNTIL 745 PM EDT
    
* AT 537 PM EDT...DOPPLER RADAR INDICATED A THUNDERSTORM PRODUCING
  HEAVY RAIN ACROSS THE WARNED AREA. FLASH FLOODING IS EXPECTED TO
  BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  LAFAYETTE...FRANKFORT...WEST LAFAYETTE...ROSSVILLE...SHADELAND...
  DAYTON...BATTLE GROUND...MULBERRY...KIRKLIN...COLFAX...MICHIGANTOWN
  AND PURDUE UNIVERSITY.

THIS INCLUDES INTERSTATE 65 BETWEEN MILE MARKERS 151 AND 159...AND
BETWEEN MILE MARKERS 162 AND 184.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

&&

LAT...LON 4056 8671 4049 8669 4043 8669 4043 8637
      4032 8625 4018 8624 4018 8666 4029 8669
      4039 8708 4056 8709

$$

PUMA

1 follow-up statement

197 
WGUS53 KIND 172311
FFWIND
INC023-157-180115-
/O.EXT.KIND.FF.W.0034.000000T0000Z-150718T0115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
711 PM EDT FRI JUL 17 2015

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS EXTENDED THE

* FLASH FLOOD WARNING FOR...
  CLINTON COUNTY IN CENTRAL INDIANA...
  TIPPECANOE COUNTY IN WEST CENTRAL INDIANA...

* UNTIL 915 PM EDT
    
* AT 711 PM EDT...DOPPLER RADAR INDICATED THUNDERSTORMS HAVE 
  PRODUCED HEAVY RAIN ACROSS THE WARNED AREA. UP TO THREE INCHES OF 
  RAIN HAVE ALREADY FALLEN. FLASH FLOODING IS ONGOING.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  LAFAYETTE...FRANKFORT...WEST LAFAYETTE...ROSSVILLE...SHADELAND...
  DAYTON...BATTLE GROUND...MULBERRY...KIRKLIN...COLFAX...MICHIGANTOWN
  AND PURDUE UNIVERSITY.

THIS INCLUDES INTERSTATE 65 BETWEEN MILE MARKERS 151 AND 159...AND
BETWEEN MILE MARKERS 162 AND 184.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

&&

LAT...LON 4056 8671 4049 8669 4043 8669 4043 8637
      4032 8625 4018 8624 4018 8666 4029 8669
      4039 8708 4056 8709

$$

PUMA

The office that day

Everything else NWS Indianapolis, IN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 17, 1:42 PM EDT	Special Weather Statement	IND	Hamilton	48 min
Jul 17, 1:58 PM EDT	Special Weather Statement	IND	Montgomery	32 min
Jul 17, 2:21 PM EDT	Special Weather Statement	IND	Tippecanoe	24 min
Jul 17, 2:28 PM EDT	Special Weather Statement	IND	Randolph	47 min
Jul 17, 2:32 PM EDT	Special Weather Statement	IND	Hamilton	43 min
Jul 17, 2:51 PM EDT	Special Weather Statement	IND	Montgomery	39 min
Jul 17, 3:18 PM EDT	Severe Thunderstorm Warning	IND	Randolph	42 min
Jul 17, 3:31 PM EDT	Special Weather Statement	IND	Hendricks, Marion	44 min
Jul 17, 3:47 PM EDT	Heat Advisory	IND	Bartholomew, Boone, Brown, Carroll, Clay, Clinton and 33 more	27 hr
Jul 17, 3:55 PM EDT	Special Weather Statement	IND	Hancock	35 min
Jul 17, 3:59 PM EDT	Special Weather Statement	IND	Tippecanoe	46 min
Jul 17, 4:15 PM EDT	Special Weather Statement	IND	Marion	45 min
Jul 17, 4:23 PM EDT	Flash Flood Warning	IND	Hendricks, Marion, Montgomery, Putnam	5 hr
Jul 17, 4:29 PM EDT	Severe Thunderstorm Warning	IND	Clinton, Tippecanoe	31 min
Jul 17, 4:33 PM EDT	Tornado Warning	IND	Clinton, Tippecanoe	27 min
Jul 17, 4:58 PM EDT	Severe Thunderstorm Warning	IND	Boone, Clinton	32 min
Jul 17, 5:14 PM EDT	Severe Thunderstorm Warning	IND	Bartholomew, Decatur, Rush, Shelby	46 min
Jul 17, 5:15 PM EDT	Severe Thunderstorm Warning	IND	Boone, Montgomery	30 min
Jul 17, 5:35 PM EDT	Severe Thunderstorm Warning	IND	Boone, Hendricks	25 min
Jul 17, 5:55 PM EDT	Flash Flood Warning	IND	Boone, Hamilton, Montgomery	3 hr
Jul 17, 5:58 PM EDT	Severe Thunderstorm Warning	IND	Hendricks, Johnson, Marion, Morgan	32 min
Jul 17, 5:59 PM EDT	Flash Flood Warning	IND	Hendricks, Johnson, Morgan, Shelby	3 hr
Jul 17, 7:23 PM EDT	Severe Thunderstorm Warning	IND	Clay, Putnam	37 min

Nearby

Flash Flood Warnings in Indiana, 2015 Every flash flood warning in 2015

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.